Automatic ball melting machine for intervention of guide wire

Abstract

The utility model discloses an automatic ball melting machine for intervention of a guide wire. The automatic ball melting machine comprises a three-axis system, a welding gun, a clamp support and a clamp used for clamping the guide wire. The clamp is detachably mounted on the clamp bracket; the welding gun is arranged on the three-axis system through a connecting plate assembly and can move in the X direction, the Y direction and the Z direction under driving of the three-axis system, and therefore the welding gun can weld the front end of the guide wire clamped in the clamp. The ball melting machine further comprises a control system, and the ball melting machine is controlled through the control system. Automatic welding in the guide wire welding process is achieved, the efficiency is improved, meanwhile, manual assistance is effectively reduced, and the labor cost is reduced; the manual mode and the automatic mode can be switched, single-station, multi-station or full-station automatic operation can be selected in the automatic mode, the test requirement of a small number of products in the early stage can be met, and the batch production requirement of products in the later stage can be met.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to an automatic ball melting machine for an interventional guide wire. Background Art

[0002] In the medical field, medical guidewires are usually needed to guide and position various interventional medical catheters or implanted devices into human organs, so as to guide the catheters or introducers used for treatment or examination into the target area and assist other medical products in removing lesions. The guidewire is a multi-layer structure, which needs to be connected by welding before use, and formed into a ball head state after welding to achieve the required tensile strength while reducing friction and damage to the blood vessel wall. At present, too much manual assistance is required in the welding process of the front end of the guidewire, which is inefficient and increases labor costs. Utility Model Content

[0003] In order to solve the problems existing in the prior art, the utility model aims to provide an automatic ball melting machine for interventional guide wires, so as to realize automatic welding of the front end of the guide wire, thereby improving efficiency and reducing costs.

[0004] In order to achieve the above technical objectives and effects, the utility model is implemented through the following technical solutions:

[0005] An automatic ball melting machine for interventional guide wires comprises a three-axis system, a welding gun, a fixture bracket and a fixture for clamping the guide wire; the fixture is detachably mounted on the fixture bracket; the welding gun is arranged on the three-axis system through a connecting plate assembly, and can move in the XYZ directions under the drive of the three-axis system, so that the welding gun can weld the front end of the guide wire clamped in the fixture; and a control system is also included, through which the ball melting machine is controlled.

[0006] Furthermore, it also includes a support frame, and the three-axis system and the fixture bracket are both arranged on the table top of the support frame.

[0007] Furthermore, it also includes an online observation microscope module, which includes an online microscope and an online display screen. The online microscope is set on the three-axis system through an articulated arm and can move in the XY direction under the drive of the three-axis system; the online display screen is fixed on the support frame.

[0008] Furthermore, it also includes a detection microscope assembly, which includes a detection microscope and a detection display screen, and the detection microscope and the detection display screen are arranged on the table of the support frame through a fixed seat.

[0009] Furthermore, it also includes a tool for quickly loading or unloading the guide wire in the clamp, and the tool is movably arranged on the table of the support frame.

[0010] Furthermore, the three-axis system adopts an XYZ three-axis slide linear module.

[0011] Furthermore, the connecting plate assembly includes a fixing plate and a connecting seat connected to the fixing plate.

[0012] Furthermore, at least one group of workstations is formed on the fixture.

[0013] Furthermore, a positioning pin is provided on the clamp bracket; and a positioning hole adapted to the positioning pin is provided on the clamp.

[0014] Furthermore, the control system includes a control cabinet and a teaching pendant.

[0015] The beneficial effects of the present invention are as follows: the present invention realizes automatic welding of the guide wire welding process by setting the welding gun on a three-axis system and equipping it with a control system, which improves efficiency while effectively reducing manual assistance and reducing labor costs; secondly, the present application can switch between manual and automatic modes, and in the automatic mode, single-station, multi-station or full-station automatic operation can be selected, which can meet the needs of early small-scale product testing and later product mass production.

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model ball melting machine;

[0019] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 This is a schematic diagram of the connection between the connecting plate assembly and the welding gun of the utility model;

[0021] Figure 4This is a schematic diagram of the first perspective of the tooling of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the utility model tooling from the second viewing angle;

[0023] Figure 6 This is a schematic diagram of the installation of the online microscope of the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the detection microscope assembly of the utility model;

[0025] Figure 8 This is a schematic diagram of the fixture structure of the utility model;

[0026] Fig. 9 This is a schematic diagram of the structure of the fixture bracket of the utility model;

[0027] Fig.10 This is a schematic diagram of the installation of the fixture of the utility model.

[0028] Explanation of the numbers in the figure: 1. Three-axis system; 2. Welding gun; 3. Fixture bracket; 4. Fixture; 5. Connecting plate assembly; 6. Control system; 7. Support frame; 8. Online observation microscope module; 9. Inspection microscope assembly; 10. Tooling; 201. Tungsten needle; 202. Copper nozzle; 203. Protective cover; 101. Support plate; 102. Positioning plate; 103. Placement slot; 104. Plunger; 105. Adjustment module; 1051. Support; 1052. Screw rod; 1053. Control board; 1054. Convex Start; 1055, guide column; 801, online microscope; 802, online display screen; 803, articulated arm; 901, detection microscope; 902, detection display screen; 903, fixed seat; 501, fixed plate; 502, connecting seat; 401, frame; 402, splint; 403, handle; 404, spring; 405, cushion block; 406, guide shaft; 412, work station; 4011, positioning hole; 301, positioning pin; 302, sensor; 601, control cabinet; 602, teaching pendant. DETAILED DESCRIPTION

[0029] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0030] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] See also Figure 1-2As shown, an automatic ball melting machine for interventional guide wires comprises a three-axis system 1, a welding gun 2, a fixture bracket 3 and a fixture 4 for clamping the guide wire; the fixture 4 is detachably mounted on the fixture bracket 3; the welding gun 2 is arranged on the three-axis system 1 through a connecting plate assembly 5, and can move in the XYZ direction under the drive of the three-axis system 1, so that the welding gun 2 can weld the front end of the guide wire clamped in the fixture 4, and in this embodiment, see Figure 3 As shown, the welding gun head of the welding gun 2 is equipped with a tungsten needle 201, a copper nozzle 202 and a protective cover 203. During welding, the tungsten needle 201 is used to induce a plasma arc, and the copper nozzle 202 controls the plasma arc within a certain range to ensure welding quality. The protective cover 203 is used to completely cover the workpiece during welding, so that the protective gas flowing between the copper nozzle 202 and the protective cover 203 can effectively prevent the guide wire from being oxidized during the welding process; a control system 6 is also included, and the ball melting machine is controlled by the control system 6.

[0032] For further information, see Figure 1 As shown, in this embodiment, the melting ball machine also includes a support frame 7, an online observation microscope module 8, a detection microscope assembly 9 and a tool 10; wherein the three-axis system 1 and the fixture bracket 3 are both arranged on the table of the support frame 7; and the tool 10 is movably arranged on the table of the support frame 7, and the fixture 4 is clamped and fixed by the tool 10, so that the operator can quickly load or unload the guide wire in the fixture 4 at any position; and in this embodiment, see Figure 4-5 As shown, the tooling 10 includes a support plate 101, on which a positioning plate 102 is arranged, on which a placement groove 103 for placing the clamp 4 and a plunger 104 for fixing the clamp 4 placed in the placement groove 103 are arranged; the support plate 101 is also provided with an adjustment module 105 which can control the height of the guide wire inserted into the clamp 4, and the adjustment module 105 includes a support 1051, on which a movable control plate 1053 is arranged through a screw rod 1052, and a protrusion 1054 is arranged on the control plate 1053; and in order to prevent the control plate 1053 from deflecting during movement, a guide column 1055 is arranged between the control plate 1053 and the support 1051.

[0033] In addition, see Figure 2 and Figure 6As shown, the online observation microscope module 8 includes an online microscope 801 and an online display screen 802. The online microscope 801 is set on the three-axis system 1 through a joint arm 803, and can move in the XY direction under the drive of the three-axis system 1; the online display screen 802 is fixed on the support frame 7; during operation, the extension length of the guide wire before welding and the state of the ball head after welding can be observed in real time through the online microscope 801, and displayed in real time through the online display screen 802, thereby making the entire welding process more intuitive.

[0034] See also Figure 7 As shown, the detection microscope assembly 9 includes a detection microscope 901 and a detection display screen 902, and the detection microscope 901 and the detection display screen 902 are arranged on the table of the support frame 7 through a fixed seat 903; during operation, the welded guide wire can be observed through the detection microscope 901, and it can be displayed in real time on the detection microscope 901, so as to realize detailed inspection of the welded guide wire and ensure the welding quality.

[0035] Furthermore, in this embodiment, the three-axis system 1 adopts an XYZ three-axis slide linear module. During installation, the XYZ three-axis slide linear module is fixed on the table surface of the support frame 7 through a support seat 10.

[0036] For further information, see Figure 3 As shown, the connecting plate assembly 5 includes a fixing plate 501 and a connecting seat 502 connected to the fixing plate 501 ; when connected, the fixing plate 501 is connected to the three-axis system 1 , and the welding gun 2 is fixed on the connecting seat 502 .

[0037] For further information, see Figure 8As shown, the clamp 4 includes a frame 401 and a pair of clamps 402 arranged in the frame 401, and ten groups of workstations 412 for clamping the guide wire are formed between the mating surfaces of the pair of clamps 402. Of course, the number of groups of the above-mentioned workstations 412 is only one implementation method, and is not used to limit the scope of the present application. In actual settings, more or less can be set as long as the requirements can be met. Here, it should be noted that the specifications of the workstations 412 can be set to a uniform specification or to different specifications, and the protrusions 1054 set on the control board 1053 correspond one-to-one to the workstations 412. During operation, in order to facilitate the loading of the guide wire into the workstation 412 or the removal of the guide wire from the workstation 412, one group of the splints 402 is fixedly connected to the frame 401, and the other group of the splints 402 is movably arranged in the frame 401; in the present embodiment, in order to drive the movement of the splints 402, a handle 403 is passed from the outside of the frame 401 into its interior, and the lower end of the handle 403 is fixedly connected to the movable splint 402, and a spring 404 is sleeved on the handle 403 between the movable splint 402 and the frame 401. In a natural state, in the absence of external force, the spring 404 drives the two splints 402 to fit tightly together; during movement, the splint 402 connected to it is pulled up by the handle 403 to be displaced, so that a certain gap is separated between the two splints 402. At this time, the spring 404 It will be further compressed, and after the lifting is released, the two splints 402 will fit tightly together again under the reaction force of the spring 404, thereby realizing the threading and fixation of the guide wire; wherein, in order to avoid the two splints 402 from fitting together under the action of the spring 404 during threading, a cushion block 405 is provided on the frame 401 adjacent to the handle 403, and the handle 403 is limited by the cushion block 405, so that the gap between the two splints 402 is maintained; and in order to avoid the displacement of the movable splint 402 during displacement, a guide shaft 406 parallel to the movement direction of the handle 403 is passed through the frame 401, one end of the guide shaft 406 is fixedly connected to the frame 401, and the other end extends into the fixed splint 402 through the movable splint 402, so that the movable splint 402 can slide along the guide shaft 406.

[0038] For further information, see Figure 9-10As shown, a positioning pin 301 is provided on the clamp bracket 3; a positioning hole 4011 adapted to the positioning pin 301 is provided on the frame 401, and the positioning pin 301 and the positioning hole 4011 cooperate to realize the fast and accurate installation of the clamp 4 on the clamp bracket 3; and in this embodiment, a sensor 302 is also provided on the clamp bracket 3, and the sensor 302 is used to detect whether the clamp bracket 3 has the clamp 4, and detect whether the clamp 4 is installed in place on the clamp bracket 3.

[0039] For further information, see Figure 1 As shown, the control system 6 includes a control cabinet 601 and a teach pendant 602; and in this embodiment, the control cabinet 601 adopts a PLC control cabinet; during operation, the teach pendant 602 can facilitate the operator to quickly correct the welding points, and realize the switching of the manual and automatic working modes of the melting ball machine, and select single-station, multi-station or full-station automatic operation in the automatic mode, so that the melting ball machine can meet the needs of a small amount of product testing in the early stage, and can also meet the needs of mass production of products in the later stage.

[0040] The working principle of the utility model is as follows:

[0041] During operation, firstly, the clamp 4 is placed in the placement groove 103 in the tooling 10, and the clamp 4 is fixed in the placement groove 103 by the plunger 104, and then the control board 1053 in the adjustment module 105 is adjusted to the corresponding position, and then the pair of clamps 402 are separated by a certain gap by pulling the handle 403; then the guide wire is passed into the station 412 formed between the pair of clamps 402, and after supporting the protrusion 1054, the restriction of the pad 405 on the handle 403 is removed, and under the reaction force of the spring 404, the pair of clamps 402 are brought together to clamp and fix the guide wire; then the clamp 4 with the guide wire installed is loaded into the clamp bracket 3, and at this time, the positioning pins 301 are respectively inserted into the corresponding positioning holes 4011; then the three-axis system 1 is controlled by the teaching pendant 602 The welding gun 2 is driven to move and the welding point is corrected; then the negative pole of the power supply is connected to the fixture bracket 3. At this time, the current is led to the fixture 4 through the fixture bracket 3, so that the welding process can proceed smoothly; then after selecting the manual working mode or the automatic working mode through the teaching pendant 602, the welding program is started, and the welding gun 2 is driven by the three-axis system 1 to weld the guide wire in the corresponding workstation 412. At this time, the online microscope 801 observes the welding status of the guide wire in real time and displays it in real time through the online display screen 802; after the welding is completed, the welding gun 2 returns to the standby position driven by the three-axis system 1, and the fixture 4 is removed from the fixture bracket 3; then the removed fixture 4 is fixed in the tooling 10, the welded guide wire is unloaded, and the guide wire to be welded is loaded for the next round of welding.

[0042] It should be noted that when the manual working mode is selected, the operator controls the three-axis system 1 through the teach pendant 602 to drive the welding gun 2 to weld the guide wire in the corresponding station 412; when the automatic working mode is selected, the welding gun 2 welds the guide wire in the corresponding station 412 under the automatic drive of the three-axis system 1, and in the automatic working mode, it is necessary to select the welding station 412 through the teach pendant 602, and when selecting, it can be a single station, multiple stations or all stations.

[0043] In addition, in order to ensure the quality of the guide wire after welding, the removed guide wire is placed in the inspection microscope assembly 9 for inspection. During the inspection, all the welded guide wires can be inspected, or a random inspection can be adopted.

[0044] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic ball melting machine for interventional guide wire, characterized in that: The invention comprises a three-axis system (1), a welding gun (2), a fixture bracket (3) and a fixture (4) for clamping a guide wire; the fixture (4) is detachably mounted on the fixture bracket (3); the welding gun (2) is arranged on the three-axis system (1) through a connecting plate assembly (5), and can move in the XYZ directions under the drive of the three-axis system (1), so that the welding gun (2) can weld the front end of the guide wire clamped in the fixture (4); and a control system (6) is also included, through which the ball melting machine is controlled.

2. The automatic ball melting machine for interventional guidewire according to claim 1, characterized in that: It also includes a support frame (7), and the three-axis system (1) and the fixture bracket (3) are both arranged on the table top of the support frame (7).

3. The automatic ball melting machine for interventional guidewire according to claim 2, characterized in that: The system also includes an online observation microscope module (8), the online observation microscope module (8) including an online microscope (801) and an online display screen (802); the online microscope (801) is arranged on the three-axis system (1) via a joint arm (803) and can move in the XY direction under the drive of the three-axis system (1); the online display screen (802) is fixed on the support frame (7).

4. The automatic ball melting machine for interventional guidewire according to claim 2, characterized in that: It also includes a detection microscope assembly (9), wherein the detection microscope assembly (9) includes a detection microscope (901) and a detection display screen (902), and the detection microscope (901) and the detection display screen (902) are arranged on the table of the support frame (7) via a fixed seat (903).

5. The automatic ball melting machine for interventional guidewire according to claim 2, characterized in that: It also includes a tool (10) for quickly loading or unloading the guide wire in the clamp (4), and the tool (10) is movably arranged on the table of the support frame (7).

6. The automatic ball melting machine for interventional guidewire according to claim 1 or 2, characterized in that: The three-axis system (1) adopts an XYZ three-axis slide linear module.

7. The automatic ball melting machine for interventional guidewire according to claim 1, characterized in that: The connecting plate assembly (5) comprises a fixing plate (501) and a connecting seat (502) connected to the fixing plate (501).

8. The automatic ball melting machine for interventional guidewire according to claim 1, characterized in that: At least one group of workstations (412) is formed on the clamp (4).

9. The automatic ball melting machine for interventional guidewire according to claim 1, characterized in that: The clamp bracket (3) is provided with a positioning pin (301); and the clamp (4) is provided with a positioning hole (4011) adapted to the positioning pin (301).

10. The automatic ball melting machine for interventional guidewire according to claim 1, characterized in that: The control system (6) comprises a control cabinet (601) and a teaching pendant (602).

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